【metal gear】The motor is made of metal gear, has a good wear-resisting performance, avoid tooth breaking, has a long serving life. 【pure copper wire】This motor is adopted pure copper wire coil, with low heat and low loss, makes the motor has better performance than ordinary motors. 【speed regulation and clockwise/counterclockwise rotation 】This motor support speed regulation, and clockwise and counterclockwise rotation. 【20 types】24V 5rpm, 24V 10rpm, 24V 15rpm, 24V 30rpm, 24V 50rpm, 24V 100rpm, 24V 150rpm, 24V 200rpm, 24V 300rpm, 24V 500rpm, 24V 600rpm,12V 5rpm,12V 10rpm,12V 15rpm,12V 30rpm,12V 50rpm,12V 100rpm,12V 150rpm,12V 500rpm,12V 600rpm 【wide applications】These bearings can be widely used in office automation, home automation, production automation,consumer electronics,safety equipment, aviation models, automotive electronics.